Opencast Mining - Study Mode

[#81] Suitable bench height for 2 cu.m shovel is above
Correct Answer

(C) 6 - 8 m

[#82] Slope of high wall usually . . . . . . . . degrees off the vertical.
Correct Answer

(D) 20°

[#83] The energy conservation day is celebrated on this date in every year.
Correct Answer

(B) 14 th December

[#84] Seams at shall depths, which are activity gassy liable spontanious heating, with bad roof are prefarably extracted by
Correct Answer

(A) Quarrying

[#85] Walking drag line have a travelling speed of . . . . . . . .
Correct Answer

(B) 0.18 to 0.6 km/hr